Everyone knows caffeine is bad for your sleep, which is why pre-bed espressos aren't advised. However, avoiding coffee doesn't mean you've cut out caffeine — unexpected caffeine sources have a way of ...

Caffeine is everywhere, from our morning coffee to a quick soda pick-me-up. But while most people know about these popular caffeine sources, many foods, drinks, and even wellness products also contain ...

A cup of coffee can be the perfect pick-me-up, giving you a quick boost of energy on a slow afternoon. But how long does caffeine stay in your system and can it affect you even hours after consumption ...

Consumer Reports tested 23 energy drinks and found some exceeded their labeled caffeine content, raising health concerns for teens.

A new Consumer Reports investigation reveals some energy drinks have up to 3x the caffeine limit for teens. Here are some ...